Answer: philately

AnswerCrossword Clue
PHILATELYStamp collecting
PHILATELYHobby of our thirty-second President.
PHILATELYStamp collecting.
PHILATELYPopular hobby
PHILATELYHobby akin to numismatics
PHILATELYDonahue's hobby?
philatelythe study of postage stamps
philatelythe collection and study of postage stamps
philatelythe collecting of stamps and other postal matter as a hobby.